Synthesis of tamoxifen and 4-hydroxytamoxifen using super-base-metalated propylbenzene
摘要:
Propylbenzene is metalated regioselectively at the alpha-carbon using the n-BuLi-t-BuOK-TMEDA super-base combination; the resulting carbanion condenses with functionalised benzophenones to provide direct syntheses of tamoxifen and 4-hydroxytamoxifen
Synthesis of tamoxifen and 4-hydroxytamoxifen using super-base-metalated propylbenzene
摘要:
Propylbenzene is metalated regioselectively at the alpha-carbon using the n-BuLi-t-BuOK-TMEDA super-base combination; the resulting carbanion condenses with functionalised benzophenones to provide direct syntheses of tamoxifen and 4-hydroxytamoxifen
Replacing the Z-phenyl Ring in Tamoxifen® with a para-Connected NCN Pincer-Pt-Cl Grouping by Post-Modification
作者:Guido D. Batema、Ties J. Korstanje、Gabriela Guillena、Gema Rodríguez、Martin Lutz、Gerard P. M. van Klink、Robert A. Gossage、Gerard van Koten
DOI:10.3390/molecules26071888
日期:——
unexpected formation of 3,3′,5,5′-tetra[(dimethylamino)methyl]-4,4′-bis(platinum halide)-benzophenone (halide = Br or Cl), referred to hereafter as the bispincer-benzophenone complex 13. This material was further characterized using X-ray crystal structure determination. The applicability of the pincer complexes in the McMurry reaction is shown to open a route towards the synthesis of tamoxifen-type derivatives
MCF‐7 cancer cells. These oxindoles inhibit ER transactivation, and their anticancer activities are inhibited in ER‐depleted MCF‐7 cells. Some of these nonsteroidal molecules also exhibit essential properties of selective ER down‐regulation. From the development of two series of bis‐arylidene oxindole‐based compounds, we report a new series of anticancer agents for estrogen‐responsive breast cancer
Incorporation of histone deacetylase inhibitory activity into the core of tamoxifen – A new hybrid design paradigm
作者:Anthony F. Palermo、Marine Diennet、Mohamed El Ezzy、Benjamin M. Williams、David Cotnoir-White、Sylvie Mader、James L. Gleason
DOI:10.1016/j.bmc.2018.07.026
日期:2018.8
appending zinc binding groups to the 4-hydroxystilbene core of 4-hydroxytamoxifen. The resulting hybrids were fully bifunctional, and displayed high nanomolar to low micromolar IC50 values against both the estrogen receptor α (ERα) and HDACs in vitro and in cell-based assays. The hybrids were antiproliferativeagainst ER+ MCF-7 breastcancercells, with hybrid 28b possessing an improved activity profile
通过将锌结合基团附加到 4-羟基三苯氧胺的 4-羟基二苯乙烯核心,设计了混合抗雌激素/组蛋白脱乙酰酶 (HDAC) 抑制剂。由此产生的杂交体是完全双功能的,并在体外和基于细胞的测定中显示出针对雌激素受体α(ERα)和 HDAC 的高纳摩尔至低微摩尔 IC 50值。杂交体对 ER+ MCF-7 乳腺癌细胞具有抗增殖作用,与4-羟基三苯氧胺或 SAHA 相比,杂交体28b具有改进的活性谱。Hybrid 28b显示出反映 ERα 和 HDAC 抑制的基因表达模式。
[EN] TOPICAL COMPOSITIONS AND METHODS FOR TREATMENT<br/>[FR] COMPOSITIONS TOPIQUES ET MÉTHODES DE TRAITEMENT
申请人:ATOSSA GENETICS INC
公开号:WO2019051370A1
公开(公告)日:2019-03-14
The present disclosure provides novel topical compositions comprising endoxifen and salts and solvates thereof and methods for making the compositions. Certain compounds have been combined to make a stable topical compositions comprising endoxifen. The present disclosure also provides methods for treatment of hormone-dependent breast and hormone-dependent reproductive tract disorders.
Novel estrogen receptor ligand binding domain variants and novel ligands and pharmaceutical compositions
申请人:Novartis AG
公开号:EP2060582A1
公开(公告)日:2009-05-20
Mutants of steroid receptor ligand binding domains and synthetic ligands which have specific binding affinities for these receptors are provided. The use of these LBD-ligand combinations for construction of selective 'molecular gene switches' is disclosed. Methods of regulating gene function using these switches are provided.